- Twin XL
Firmest support system with little to no cushion layer on top. These ultra-firm mattresses are typically best for stomach sleepers.
Firm support system with a minimal cushion layer on top. These firm mattresses are typically best for back and stomach sleepers.
Firm support system with added layers of cushion on top. These medium mattresses are typically best for all sleepers, including back, stomach, and side!
Softer support system with additional layers of cushion on top. These plush mattresses are soft enough for side sleepers, but still fit all sleeping types, including back and stomach sleepers.
Softest support system, and the most added layers of cushion on top. These ultra-plush mattresses are typically best for side sleepers.
Beautyrest® Harmony Lux™ Carbon Series has the latest innovations in both support & comfort layers as well as cooling for a better night’s sleep. Its new and innovative coil design and support system, advanced pressure-relieving foams, cooling technologies, and exclusive sustainable fabric technology make this collection a wonderful choice. The Diamond Series is designed to let you enjoy a cool & enjoyable night’s sleep.